Table 7.

Correlation analysis associated with the changes of Rigiscan parameters.

		△GH%	△GHn%	△IGF-1 index%	△Testosterone%
△ Duration of tip rigidity>60% (min)	r	0.103	0.397	0.231	0.011
	P	0.608	0.075	0.256	0.957
△ Number of erections (per night)	r	-0.189	-0.248	-0.128	-0.016
	P	0.346	0.279	0.553	0.565
△ Erection duration (min)	r	-0.207	-0.011	-0.135	-0.035
	P	0.301	0.962	0.512	0.861
△ Average tip rigidity (%)	r	0.120	0.059	0.090	-0.066
	P	0.552	0.800	0.063	0.744
△ Change of tip tumescence (%)	r	0.067	0.022	0.221	-0.072
	P	0.741	0.925	0.277	0.723
△ Average base rigidity (%)	r	-0.012	0.083	0.038	-0.166
	P	0.951	0.720	0.853	0.409
△ Change of base tumescence (%)	r	0.203	0.223	0.131	0.081
	P	0.309	0.331	0.523	0.687